[Xie, Mingxuan; He, Bixiu; Lu, Xiaoxiao; Chen, Qiong; Xiao, Jian] Cent South Univ, Xiangya Hosp, Natl Clin Res Ctr Geriatr Disorders, Changsha 410008, Hunan, Peoples R China.
[Xie, Mingxuan; He, Bixiu; Chen, Qiong; Xiao, Jian] Cent South Univ, Xiangya Hosp, Resp Med, Dept Geriatr, Changsha 410008, Hunan, Peoples R China.
[Chen, Xi] Cent South Univ, Xiangya Hosp, Dept Resp & Crit Care Med, Changsha, Hunan, Peoples R China.
[He, Shuya] Univ South China, Dept Biochem & Mol Biol, Hengyang, Peoples R China.
[You, Shaojin] Emory Univ, Lab Canc Expt Therapy, Histopathol Core, Atlanta Res & Educ Fdn 151F,Atlanta VA Med Ctr, Decatur, GA USA.